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    <div id="content"><h1>Module: FSelector
  
  
  
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<dl class="box">
  
  
    
  
    
  
  
  
    <dt class="r1 last">Defined in:</dt>
    <dd class="r1 last">lib/fselector.rb<span class="defines">,<br />
  lib/fselector/ensemble.rb,<br /> lib/fselector/algo_base/base.rb,<br /> lib/fselector/algo_both/Random.rb,<br /> lib/fselector/algo_base/base_CFS.rb,<br /> lib/fselector/algo_discrete/CFS_d.rb,<br /> lib/fselector/algo_discrete/Power.rb,<br /> lib/fselector/algo_discrete/G-Mean.rb,<br /> lib/fselector/algo_base/base_Relief.rb,<br /> lib/fselector/algo_continuous/CFS_c.rb,<br /> lib/fselector/algo_base/base_ReliefF.rb,<br /> lib/fselector/algo_discrete/Relief_d.rb,<br /> lib/fselector/algo_continuous/F-Test.rb,<br /> lib/fselector/algo_discrete/Accuracy.rb,<br /> lib/fselector/algo_both/RandomSubset.rb,<br /> lib/fselector/algo_discrete/INTERACT.rb,<br /> lib/fselector/algo_discrete/OddsRatio.rb,<br /> lib/fselector/algo_continuous/T-Score.rb,<br /> lib/fselector/algo_continuous/BSS_WSS.rb,<br /> lib/fselector/algo_continuous/KS-Test.rb,<br /> lib/fselector/algo_discrete/F1Measure.rb,<br /> lib/fselector/algo_continuous/KS-CCBF.rb,<br /> lib/fselector/algo_discrete/ReliefF_d.rb,<br /> lib/fselector/algo_base/base_discrete.rb,<br /> lib/fselector/algo_discrete/GiniIndex.rb,<br /> lib/fselector/algo_discrete/Precision.rb,<br /> lib/fselector/algo_discrete/J-Measure.rb,<br /> lib/fselector/algo_both/LasVegasFilter.rb,<br /> lib/fselector/algo_continuous/Relief_c.rb,<br /> lib/fselector/algo_continuous/P-Metric.rb,<br /> lib/fselector/algo_base/base_continuous.rb,<br /> lib/fselector/algo_discrete/Sensitivity.rb,<br /> lib/fselector/algo_discrete/Specificity.rb,<br /> lib/fselector/algo_continuous/ReliefF_c.rb,<br /> lib/fselector/algo_discrete/McNemarsTest.rb,<br /> lib/fselector/algo_discrete/KL-Divergence.rb,<br /> lib/fselector/algo_discrete/GSSCoefficient.rb,<br /> lib/fselector/algo_discrete/ChiSquaredTest.rb,<br /> lib/fselector/algo_discrete/InformationGain.rb,<br /> lib/fselector/algo_both/LasVegasIncremental.rb,<br /> lib/fselector/algo_discrete/ProbabilityRatio.rb,<br /> lib/fselector/algo_discrete/AccuracyBalanced.rb,<br /> lib/fselector/algo_discrete/FishersExactTest.rb,<br /> lib/fselector/algo_continuous/WilcoxonRankSum.rb,<br /> lib/fselector/algo_discrete/DocumentFrequency.rb,<br /> lib/fselector/algo_discrete/MutualInformation.rb,<br /> lib/fselector/algo_discrete/OddsRatioNumerator.rb,<br /> lib/fselector/algo_discrete/BiNormalSeparation.rb,<br /> lib/fselector/algo_discrete/CorrelationCoefficient.rb,<br /> lib/fselector/algo_discrete/SymmetricalUncertainty.rb,<br /> lib/fselector/algo_discrete/FastCorrelationBasedFilter.rb,<br /> lib/fselector/algo_discrete/MatthewsCorrelationCoefficient.rb</span>
</dd>
  
</dl>
<div class="clear"></div>

<h2>Overview</h2><div class="docstring">
  <div class="discussion">
    <p>FSelector: a Ruby gem for feature selection and ranking</p>


  </div>
</div>
<div class="tags">
  

</div><h2>Defined Under Namespace</h2>
<p class="children">
   
    
   
    
      <strong class="classes">Classes:</strong> <span class='object_link'><a href="FSelector/Accuracy.html" title="FSelector::Accuracy (class)">Accuracy</a></span>, <span class='object_link'><a href="FSelector/AccuracyBalanced.html" title="FSelector::AccuracyBalanced (class)">AccuracyBalanced</a></span>, <span class='object_link'><a href="FSelector/Base.html" title="FSelector::Base (class)">Base</a></span>, <span class='object_link'><a href="FSelector/BaseCFS.html" title="FSelector::BaseCFS (class)">BaseCFS</a></span>, <span class='object_link'><a href="FSelector/BaseContinuous.html" title="FSelector::BaseContinuous (class)">BaseContinuous</a></span>, <span class='object_link'><a href="FSelector/BaseDiscrete.html" title="FSelector::BaseDiscrete (class)">BaseDiscrete</a></span>, <span class='object_link'><a href="FSelector/BaseEnsemble.html" title="FSelector::BaseEnsemble (class)">BaseEnsemble</a></span>, <span class='object_link'><a href="FSelector/BaseRelief.html" title="FSelector::BaseRelief (class)">BaseRelief</a></span>, <span class='object_link'><a href="FSelector/BaseReliefF.html" title="FSelector::BaseReliefF (class)">BaseReliefF</a></span>, <span class='object_link'><a href="FSelector/BetweenWithinClassesSumOfSquare.html" title="FSelector::BetweenWithinClassesSumOfSquare (class)">BetweenWithinClassesSumOfSquare</a></span>, <span class='object_link'><a href="FSelector/BiNormalSeparation.html" title="FSelector::BiNormalSeparation (class)">BiNormalSeparation</a></span>, <span class='object_link'><a href="FSelector/CFS_c.html" title="FSelector::CFS_c (class)">CFS_c</a></span>, <span class='object_link'><a href="FSelector/CFS_d.html" title="FSelector::CFS_d (class)">CFS_d</a></span>, <span class='object_link'><a href="FSelector/ChiSquaredTest.html" title="FSelector::ChiSquaredTest (class)">ChiSquaredTest</a></span>, <span class='object_link'><a href="FSelector/CorrelationCoefficient.html" title="FSelector::CorrelationCoefficient (class)">CorrelationCoefficient</a></span>, <span class='object_link'><a href="FSelector/DocumentFrequency.html" title="FSelector::DocumentFrequency (class)">DocumentFrequency</a></span>, <span class='object_link'><a href="FSelector/EnsembleMultiple.html" title="FSelector::EnsembleMultiple (class)">EnsembleMultiple</a></span>, <span class='object_link'><a href="FSelector/EnsembleSingle.html" title="FSelector::EnsembleSingle (class)">EnsembleSingle</a></span>, <span class='object_link'><a href="FSelector/F1Measure.html" title="FSelector::F1Measure (class)">F1Measure</a></span>, <span class='object_link'><a href="FSelector/FTest.html" title="FSelector::FTest (class)">FTest</a></span>, <span class='object_link'><a href="FSelector/FastCorrelationBasedFilter.html" title="FSelector::FastCorrelationBasedFilter (class)">FastCorrelationBasedFilter</a></span>, <span class='object_link'><a href="FSelector/FishersExactTest.html" title="FSelector::FishersExactTest (class)">FishersExactTest</a></span>, <span class='object_link'><a href="FSelector/GMean.html" title="FSelector::GMean (class)">GMean</a></span>, <span class='object_link'><a href="FSelector/GSSCoefficient.html" title="FSelector::GSSCoefficient (class)">GSSCoefficient</a></span>, <span class='object_link'><a href="FSelector/GiniIndex.html" title="FSelector::GiniIndex (class)">GiniIndex</a></span>, <span class='object_link'><a href="FSelector/INTERACT.html" title="FSelector::INTERACT (class)">INTERACT</a></span>, <span class='object_link'><a href="FSelector/InformationGain.html" title="FSelector::InformationGain (class)">InformationGain</a></span>, <span class='object_link'><a href="FSelector/JMeasure.html" title="FSelector::JMeasure (class)">JMeasure</a></span>, <span class='object_link'><a href="FSelector/KLDivergence.html" title="FSelector::KLDivergence (class)">KLDivergence</a></span>, <span class='object_link'><a href="FSelector/KSTest.html" title="FSelector::KSTest (class)">KSTest</a></span>, <span class='object_link'><a href="FSelector/KS_CCBF.html" title="FSelector::KS_CCBF (class)">KS_CCBF</a></span>, <span class='object_link'><a href="FSelector/LasVegasFilter.html" title="FSelector::LasVegasFilter (class)">LasVegasFilter</a></span>, <span class='object_link'><a href="FSelector/LasVegasIncremental.html" title="FSelector::LasVegasIncremental (class)">LasVegasIncremental</a></span>, <span class='object_link'><a href="FSelector/MatthewsCorrelationCoefficient.html" title="FSelector::MatthewsCorrelationCoefficient (class)">MatthewsCorrelationCoefficient</a></span>, <span class='object_link'><a href="FSelector/McNemarsTest.html" title="FSelector::McNemarsTest (class)">McNemarsTest</a></span>, <span class='object_link'><a href="FSelector/MutualInformation.html" title="FSelector::MutualInformation (class)">MutualInformation</a></span>, <span class='object_link'><a href="FSelector/OddsRatio.html" title="FSelector::OddsRatio (class)">OddsRatio</a></span>, <span class='object_link'><a href="FSelector/OddsRatioNumerator.html" title="FSelector::OddsRatioNumerator (class)">OddsRatioNumerator</a></span>, <span class='object_link'><a href="FSelector/PMetric.html" title="FSelector::PMetric (class)">PMetric</a></span>, <span class='object_link'><a href="FSelector/Power.html" title="FSelector::Power (class)">Power</a></span>, <span class='object_link'><a href="FSelector/Precision.html" title="FSelector::Precision (class)">Precision</a></span>, <span class='object_link'><a href="FSelector/ProbabilityRatio.html" title="FSelector::ProbabilityRatio (class)">ProbabilityRatio</a></span>, <span class='object_link'><a href="FSelector/Random.html" title="FSelector::Random (class)">Random</a></span>, <span class='object_link'><a href="FSelector/RandomSubset.html" title="FSelector::RandomSubset (class)">RandomSubset</a></span>, <span class='object_link'><a href="FSelector/ReliefF_c.html" title="FSelector::ReliefF_c (class)">ReliefF_c</a></span>, <span class='object_link'><a href="FSelector/ReliefF_d.html" title="FSelector::ReliefF_d (class)">ReliefF_d</a></span>, <span class='object_link'><a href="FSelector/Relief_c.html" title="FSelector::Relief_c (class)">Relief_c</a></span>, <span class='object_link'><a href="FSelector/Relief_d.html" title="FSelector::Relief_d (class)">Relief_d</a></span>, <span class='object_link'><a href="FSelector/Sensitivity.html" title="FSelector::Sensitivity (class)">Sensitivity</a></span>, <span class='object_link'><a href="FSelector/Specificity.html" title="FSelector::Specificity (class)">Specificity</a></span>, <span class='object_link'><a href="FSelector/SymmetricalUncertainty.html" title="FSelector::SymmetricalUncertainty (class)">SymmetricalUncertainty</a></span>, <span class='object_link'><a href="FSelector/TScore.html" title="FSelector::TScore (class)">TScore</a></span>, <span class='object_link'><a href="FSelector/WilcoxonRankSum.html" title="FSelector::WilcoxonRankSum (class)">WilcoxonRankSum</a></span>
    
  
</p>

  <h2>Constant Summary</h2>
  
    <dl class="constants">
      
        <dt id="VERSION-constant" class="">VERSION =
          <div class="docstring">
  <div class="discussion">
    <p>module version</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='tstring'><span class='tstring_beg'>'</span><span class='tstring_content'>1.4.0</span><span class='tstring_end'>'</span></span></pre></dd>
      
        <dt id="Rand-constant" class="">Rand =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::Rand instead of FSelector::Random</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>Random</span></pre></dd>
      
        <dt id="GM-constant" class="">GM =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::GM instead of FSelector::GMean</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>GMean</span></pre></dd>
      
        <dt id="FT-constant" class="">FT =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::FT instead of FSelector::FTest</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>FTest</span></pre></dd>
      
        <dt id="Acc-constant" class="">Acc =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::Acc instead of FSelector::Accuracy</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>Accuracy</span></pre></dd>
      
        <dt id="RandS-constant" class="">RandS =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::RandS instead of FSelector::RandomSubset</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>RandomSubset</span></pre></dd>
      
        <dt id="Odd-constant" class="">Odd =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::Odd instead of FSelector::OddsRatio</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>OddsRatio</span></pre></dd>
      
        <dt id="TS-constant" class="">TS =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::TS instead of FSelector::TScore</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>TScore</span></pre></dd>
      
        <dt id="BSS_WSS-constant" class="">BSS_WSS =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::BSS_WSS instead of FSelector::BetweenWithinClassesSumOfSquare</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>BetweenWithinClassesSumOfSquare</span></pre></dd>
      
        <dt id="KST-constant" class="">KST =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::KST instead of FSelector::KSTest</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>KSTest</span></pre></dd>
      
        <dt id="F1-constant" class="">F1 =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::F1 instead of FSelector::F1Measure</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>F1Measure</span></pre></dd>
      
        <dt id="GI-constant" class="">GI =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::GI instead of FSelector::GiniIndex</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>GiniIndex</span></pre></dd>
      
        <dt id="JM-constant" class="">JM =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::JM instead of FSelector::JMeasure</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>JMeasure</span></pre></dd>
      
        <dt id="LVF-constant" class="">LVF =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::LVF instead of FSelector::LasVegasFilter</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>LasVegasFilter</span></pre></dd>
      
        <dt id="PM-constant" class="">PM =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::PM instead of FSelector::PMetric</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>PMetric</span></pre></dd>
      
        <dt id="SN-constant" class="">SN =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::SN instead of FSelector::Sensitivity</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>Sensitivity</span></pre></dd>
      
        <dt id="Recall-constant" class="">Recall =
          <div class="docstring">
  <div class="discussion">
    <p>Sensitivity, also known as Recall</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>Sensitivity</span></pre></dd>
      
        <dt id="SP-constant" class="">SP =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::SP instead of FSelector::Specificity</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>Specificity</span></pre></dd>
      
        <dt id="MNT-constant" class="">MNT =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::MNT instead of FSelector::McNemarsTest</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>McNemarsTest</span></pre></dd>
      
        <dt id="KLD-constant" class="">KLD =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::KLD instead of FSelector::KLDivergence</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>KLDivergence</span></pre></dd>
      
        <dt id="GSS-constant" class="">GSS =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::GSS instead of FSelector::GSSCoefficient</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>GSSCoefficient</span></pre></dd>
      
        <dt id="CHI-constant" class="">CHI =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::CHI instead of FSelector::ChiSquaredTest</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>ChiSquaredTest</span></pre></dd>
      
        <dt id="IG-constant" class="">IG =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::IG instead of FSelector::InformationGain</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>InformationGain</span></pre></dd>
      
        <dt id="LVI-constant" class="">LVI =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::LVI instead of FSelector::LasVegasIncremental</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>LasVegasIncremental</span></pre></dd>
      
        <dt id="PR-constant" class="">PR =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::PR instead of FSelector::ProbabilityRatio</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>ProbabilityRatio</span></pre></dd>
      
        <dt id="Acc2-constant" class="">Acc2 =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::Acc2 instead of FSelector::AccuracyBalanced</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>AccuracyBalanced</span></pre></dd>
      
        <dt id="FET-constant" class="">FET =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::FET instead of FSelector::FishersExactTest</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>FishersExactTest</span></pre></dd>
      
        <dt id="WRS-constant" class="">WRS =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::WRS instead of FSelector::WilcoxonRankSum</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>WilcoxonRankSum</span></pre></dd>
      
        <dt id="DF-constant" class="">DF =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::DF instead of FSelector::DocumentFrequency</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>DocumentFrequency</span></pre></dd>
      
        <dt id="MI-constant" class="">MI =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::MI instead of FSelector::MutualInformation</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>MutualInformation</span></pre></dd>
      
        <dt id="OddN-constant" class="">OddN =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::OddN instead of FSelector::OddsRatioNumerator</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>OddsRatioNumerator</span></pre></dd>
      
        <dt id="BNS-constant" class="">BNS =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::BNS instead of FSelector::BiNormalSeparation</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>BiNormalSeparation</span></pre></dd>
      
        <dt id="CC-constant" class="">CC =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::CC instead of FSelector::CorrelationCoefficient</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>CorrelationCoefficient</span></pre></dd>
      
        <dt id="SU-constant" class="">SU =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::SU instead of FSelector::SymmetricalUncertainty</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>SymmetricalUncertainty</span></pre></dd>
      
        <dt id="FCBF-constant" class="">FCBF =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::FCBF instead of FSelector::FastCorrelationBasedFilter</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>FastCorrelationBasedFilter</span></pre></dd>
      
        <dt id="MCC-constant" class="">MCC =
          <div class="docstring">
  <div class="discussion">
    <p>shortcut so that you can use FSelector::MCC instead of FSelector::MatthewsCorrelationCoefficient</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>MatthewsCorrelationCoefficient</span></pre></dd>
      
        <dt id="PHI-constant" class="">PHI =
          <div class="docstring">
  <div class="discussion">
    <p>Matthews Correlation Coefficient (MCC), also known as Phi coefficient</p>


  </div>
</div>
<div class="tags">
  

</div>
        </dt>
        <dd><pre class="code"><span class='const'>MatthewsCorrelationCoefficient</span></pre></dd>
      
    </dl>
  









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